Engine Overheat Troubleshooting |
Inspection | Remedy | ||||||||
Visual inspection | Inspect for shortage of coolant in reservoir tank . | Reinspect after replenishing coolant. | |||||||
Inspect for coolant pollution after removing radiator cap.
| Reinspect after replacing coolant. | ||||||||
Inspect for leakage and loose coolant hoses (radiator hose, heater hose, oil cooler hose, etc.). | Reinspect for leakage after reinstalling hoses and clamps. | ||||||||
Inspect for leakage on water inlet fitting mounting part. | Reinspect for leakage after replacing O-ring. | ||||||||
Reinspect for leakage after tightening to the specified torque. | |||||||||
Inspect drive belt (for normal operation of water pump). | Adjust drive belt tension or replace. | ||||||||
Inspect for leakage on water pump gasket mounting part. | Reinspect for leakage after replacing gasket. | ||||||||
Reinspect for leakage after tightening to the specified torque. | |||||||||
Inspect for loose coolant temperature sensor, cooling fan connector and pin. | Reinstall loose connector. | ||||||||
Replace relevant part if connector pin is damaged. | |||||||||
Inspect operation status of cooling fan. - Check operation status by switching ON/OFF the heater control A/C.
| Check mounting status of ground cable. | ||||||||
Diagnostic device | Inspect self-diagnostic code using KDS/GDS. | Check coolant temperature sensor, wiring, connector, etc. | |||||||
Unit inspection | Inspect water pump impeller. | Replace water pump. | |||||||
Inspect for foreign materials and status of thermostat valve. | Inspect unit after removing foreign materials. | ||||||||
Inspect for stuck thermostat valve. - Immerse thermostat in water heated to over 95°C (203°F), then heat for at least 3 minutes to check valve lift.
| Check valve lift. - Replace thermostat if valve lift is below specification or valve is stuck. |
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Refilling And Bleeding Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the radiator. When ...
Component Location 1. Instrument cluster assembly2. Seat belt switch3. Vehicle speed sensor4. Engine coolant temperature sender5. Oil pressure switch6. Brake fluid level warning switch7. Parking brake switch8. Door switch 9. Fuel gauge sender10. Trunk lid open switch11. Wheel speed sensor12. ABS ECU ...
Description Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the engine control system. If there is no CKPS signal input, the engine may stop because of CKPS signal missing. This sensor is installed on the cylinder block or the transaxle housing ...